From ad601cadc21b6e0571341a156c439c5e35126c94 Mon Sep 17 00:00:00 2001 From: Bita Date: Sat, 25 Apr 2026 20:09:30 +0330 Subject: [PATCH 1/4] Complete the Rational --- src/main/java/Rational/Rational.java | 44 ++++++++++++---------------- 1 file changed, 18 insertions(+), 26 deletions(-) diff --git a/src/main/java/Rational/Rational.java b/src/main/java/Rational/Rational.java index 7bd840e..2222d5e 100644 --- a/src/main/java/Rational/Rational.java +++ b/src/main/java/Rational/Rational.java @@ -51,46 +51,38 @@ public class Rational { return r1.add(r2); } - // TODO: Instance method - this - other // Formula: a/b - c/d = (a*d - c*b) / (b*d) public Rational subtract(Rational other) { - // YOUR CODE HERE - return null; // Remove this line when implemented + int newNumerator = this.numerator * other.denominator - other.numerator * this.denominator; + int newDenominator = this.denominator * other.denominator; + return new Rational(newNumerator, newDenominator); } - // TODO: Static method - r1 - r2 - public static Rational subtract(Rational r1, Rational r2) { - // YOUR CODE HERE - return null; // Remove this line when implemented - } + public static Rational subtract(Rational r1, Rational r2) { return r1.subtract(r2); } - // TODO: Instance method - this * other // Formula: (a/b) * (c/d) = (a*c) / (b*d) public Rational multiply(Rational other) { - // YOUR CODE HERE - return null; // Remove this line when implemented + int newNumerator = this.numerator * other.numerator; + int newDenominator = this.denominator * other.denominator; + return new Rational(newNumerator, newDenominator); } - // TODO: Static method - r1 * r2 - public static Rational multiply(Rational r1, Rational r2) { - // YOUR CODE HERE - return null; // Remove this line when implemented - } + public static Rational multiply(Rational r1, Rational r2) { return r1.multiply(r2); } - // TODO: Instance method - this / other // Formula: (a/b) รท (c/d) = (a*d) / (b*c) public Rational divide(Rational other) { - // YOUR CODE HERE - // HINT: Division is multiplication by reciprocal - // Don't forget to check if other.numerator is zero! - return null; // Remove this line when implemented + if(other.numerator == 0) { + System.out.println("Error !"); + } + else { + int newNumerator = this.numerator * other.denominator; + int newDenominator = this.denominator * other.numerator; + return new Rational(newNumerator, newDenominator); + } + return null; } - // TODO: Static method - r1 / r2 - public static Rational divide(Rational r1, Rational r2) { - // YOUR CODE HERE - return null; // Remove this line when implemented - } + public static Rational divide(Rational r1, Rational r2) { return r1.divide(r2); } // PROVIDED - String representation @Override From 6f8c0d8f7e6083ff08359c6f9cb146ef9b6fc2e1 Mon Sep 17 00:00:00 2001 From: Bita Date: Sun, 26 Apr 2026 15:38:25 +0330 Subject: [PATCH 2/4] Complete the class Movie --- src/main/java/movie/apis/Movie.java | 48 ++++++++++++++++++++-- src/main/java/movie/apis/MovieService.java | 4 +- 2 files changed, 45 insertions(+), 7 deletions(-) diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index c8cc4e2..932256d 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -6,7 +6,8 @@ import java.util.List; * Model class representing a movie * Fields: id, title, genres, images */ -public class Movie { +public class Movie +{ private Long id; private String title; @@ -16,9 +17,48 @@ public class Movie { private String imdbRating; private String country; - // TODO: Create a constructor with all fields + public Movie(Long id, String title, List genres, String images, String year, String imdbRating, String country) + { + this.id = id; + this.title = title; + this.genres = genres; + this.images = images; + this.year = year; + this.imdbRating = imdbRating; + this.country = country; + } - // TODO: Create a simple constructor with id and title only + public Movie(Long id, String title) + { + this.id = id; + this.title = title; + } - // TODO: Create getters and setters for all fields + public Long getId() { return id; } + + public void setId(Long id) { this.id = id; } + + public String getTitle() { return title; } + + public void setTitle(String title) { this.title = title; } + + public List getGenres() { return genres; } + + public void setGenres(List genres) { this.genres = genres; } + + public String getImages() { return images; } + + public void setImages(String images) { this.images = images; } + + public String getYear() { return year; } + + public void setYear(String year) { this.year = year; } + + public String getImdbRating() { return imdbRating; } + + public void setImdbRating(String imdbRating) { this.imdbRating = imdbRating; } + + public String getCountry() { return country; } + + public void setCountry(String country) { this.country = country; } } \ No newline at end of file diff --git a/src/main/java/movie/apis/MovieService.java b/src/main/java/movie/apis/MovieService.java index cbbe70b..cd6a02e 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -102,10 +102,8 @@ public class MovieService { * PUT ALL PARSING CODE INSIDE try-catch */ public void displayMoviesByGenre(Long genreId, Long page) { - // TODO: Write your code here - // All parsing code must be inside try-catch try { - // Your code here + } catch (Exception e) { System.err.println("ERROR: " + e.getMessage()); From c5025495e5a722aa6ffd6d777ab916cc5e846398 Mon Sep 17 00:00:00 2001 From: Bita Date: Tue, 28 Apr 2026 15:19:48 +0330 Subject: [PATCH 3/4] Complete the movie.api --- src/main/java/movie/apis/Main.java | 12 ++-- src/main/java/movie/apis/Movie.java | 83 ++++++++++++++++++---- src/main/java/movie/apis/MovieService.java | 75 ++++++++++++++----- 3 files changed, 138 insertions(+), 32 deletions(-) diff --git a/src/main/java/movie/apis/Main.java b/src/main/java/movie/apis/Main.java index f0e713d..1befde2 100644 --- a/src/main/java/movie/apis/Main.java +++ b/src/main/java/movie/apis/Main.java @@ -21,14 +21,18 @@ public class Main { break; case 2: - // TODO: Get genre ID and page from user, then call movieService.displayMoviesByGenre() - + System.out.println("Enter genre id :"); + Long genreId = scanner.nextLong(); + System.out.println("Enter the page number :"); + Long page = scanner.nextLong(); + movieService.displayMoviesByGenre(genreId, page); break; case 3: - // TODO (BONUS): Get movie ID from user, then call movieService.displayMovieDetails() - + System.out.println("Enter the movie id :"); + Long movieId = scanner.nextLong(); + movieService.displayMovieDetails(movieId); break; diff --git a/src/main/java/movie/apis/Movie.java b/src/main/java/movie/apis/Movie.java index 932256d..5bba731 100644 --- a/src/main/java/movie/apis/Movie.java +++ b/src/main/java/movie/apis/Movie.java @@ -8,23 +8,34 @@ import java.util.List; */ public class Movie { - private Long id; private String title; - private List genres; - private String images; + private List genres; + private List images; private String year; - private String imdbRating; + private String imdb_rating; private String country; + private String actors; + private String awards; + private String director; + private String imdb_id; + private String imdb_votes; + private String metascore; + private String plot; + private String rated; + private String released; + private String runtime; + private String type; + private String writer; - public Movie(Long id, String title, List genres, String images, String year, String imdbRating, String country) + public Movie(Long id, String title, List genres, List images, String year, String imdb_rating, String country) { this.id = id; this.title = title; this.genres = genres; this.images = images; this.year = year; - this.imdbRating = imdbRating; + this.imdb_rating = imdb_rating; this.country = country; } @@ -42,23 +53,71 @@ public class Movie public void setTitle(String title) { this.title = title; } - public List getGenres() { return genres; } + public List getGenres() { return genres; } - public void setGenres(List genres) { this.genres = genres; } + public void setGenres(List genres) { this.genres = genres; } - public String getImages() { return images; } + public List getImages() { return images; } - public void setImages(String images) { this.images = images; } + public void setImages(List images) { this.images = images; } public String getYear() { return year; } public void setYear(String year) { this.year = year; } - public String getImdbRating() { return imdbRating; } + public String getImdbRating() { return imdb_rating; } - public void setImdbRating(String imdbRating) { this.imdbRating = imdbRating; } + public void setImdbRating(String imdbRating) { this.imdb_rating = imdb_rating; } public String getCountry() { return country; } public void setCountry(String country) { this.country = country; } + + public String getActors() { return actors; } + + public void setActors(String actors) { this.actors = actors; } + + public String getAwards() { return awards; } + + public void setAwards(String awards) { this.awards = awards; } + + public String getDirector() { return director; } + + public void setDirector(String director) { this.director = director; } + + public String getImdb_id() { return imdb_id; } + + public void setImdb_id(String imdb_id) { this.imdb_id = imdb_id; } + + public String getImdb_votes() { return imdb_votes; } + + public void setImdb_votes(String imdb_votes) { this.imdb_votes = imdb_votes; } + + public String getMetascore() { return metascore; } + + public void setMetascore(String metascore) { this.metascore = metascore; } + + public String getPlot() { return plot; } + + public void setPlot(String plot) { this.plot = plot; } + + public String getRated() { return rated; } + + public void setRated(String rated) { this.rated = rated; } + + public String getReleased() { return released; } + + public void setReleased(String released) { this.released = released; } + + public String getRuntime() { return runtime; } + + public void setRuntime(String runtime) { this.runtime = runtime; } + + public String getType() {return type; } + + public void setType(String type) { this.type = type; } + + public String getWriter() { return writer; } + + public void setWriter(String writer) { this.writer = writer; } } \ No newline at end of file diff --git a/src/main/java/movie/apis/MovieService.java b/src/main/java/movie/apis/MovieService.java index cd6a02e..bfc22f4 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -102,28 +102,52 @@ public class MovieService { * PUT ALL PARSING CODE INSIDE try-catch */ public void displayMoviesByGenre(Long genreId, Long page) { - try { + String jsonResponse = getMoviesByGenreList(genreId, page); + if (jsonResponse == null) { + System.out.println("Failed !"); + return; + } + + try { + JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); + JsonArray moviesArray = rootObject.getAsJsonArray("movies"); + Type movieListType = new TypeToken>(){}.getType(); + Gson gson = new Gson(); + List movies = gson.fromJson(moviesArray, movieListType); + + System.out.println(); + System.out.println("Total : " + rootObject.get("total").getAsLong()); + System.out.println("Taotal pages : " + rootObject.get("total_pages").getAsLong()); + System.out.println("\nALL MOVIES:"); + for (Movie movie : movies) { + System.out.println("ID : " + movie.getId() + " | " + movie.getTitle() + " (" + movie.getYear() + ")"); + } } catch (Exception e) { System.err.println("ERROR: " + e.getMessage()); } } - /** * BONUS: Fetch movie details from API using movie ID * URL format: https://api.meshcomp.ir/api/v1/movies/{movieId} */ private String getMovieById(Long movieId) { try { - // TODO: Complete this method - // String url = MOVIE_BY_ID_URL + movieId; - // HttpRequest request = HttpRequest.newBuilder().uri(URI.create(url)).build(); - // HttpResponse response = client.send(request, HttpResponse.BodyHandlers.ofString()); - // if (response.statusCode() == 200) return response.body(); + HttpRequest request = HttpRequest.newBuilder() + .uri(URI.create(MOVIE_BY_ID_URL + movieId)) + .build(); - return null; + HttpResponse response = client.send(request, HttpResponse.BodyHandlers.ofString()); + + if(response.statusCode() == 200) { + System.out.println("MOVIE_BY_ID_URL List recieved successfully"); + return response.body(); + } + else { + throw new IOException("Http error code : " + response.statusCode()); + } } catch (Exception e) { System.out.println("!!Exception : " + e.getMessage()); } @@ -168,16 +192,35 @@ public class MovieService { // Step 3-6: Parse JSON and display details (PUT YOUR CODE INSIDE try-catch) try { - // TODO: Parse jsonResponse to JsonObject - // TODO: Extract id, title, year, genres array, poster, country, imdb_rating - // TODO: Convert genres array to a readable string - // TODO: Print all movie details - // HINT: Use JsonParser.parseString(jsonResponse).getAsJsonObject() - // HINT: Use getAsJsonArray("genres") to get genres - // HINT: For each genre, use getAsString() + JsonObject rootObject = JsonParser.parseString(jsonResponse).getAsJsonObject(); + JsonArray genresArray = rootObject.getAsJsonArray("genres"); + Type genreListType = new TypeToken>(){}.getType(); + Gson gson = new Gson(); + Movie movie = gson.fromJson(jsonResponse, Movie.class); - // Your code here: + String genresReadable = ""; + for (int i = 0; i < movie.getGenres().size(); i++) { + genresReadable += movie.getGenres().get(i).toString(); + if (i < movie.getGenres().size() - 1) { + genresReadable += ", "; + } + } + System.out.println(); + System.out.println("==============================================================================================="); + System.out.println(" " + movie.getTitle() + " (" + movie.getYear() + ")"); + System.out.println("==============================================================================================="); + System.out.println("Movie ID: " + movie.getId()); + System.out.println("Genres: " + genresReadable); + System.out.println("IMDB Rating: " + movie.getImdbRating() + " | " +"Votes : " + movie.getImdb_votes()); + System.out.println("Director : " + movie.getDirector()); + System.out.println("Cast : " + movie.getActors()); + System.out.println("Run time : " + movie.getRuntime() + " | " + "Rated : " + movie.getRated()); + System.out.println("Country: " + movie.getCountry() + " | " + "Released : " + movie.getReleased()); + System.out.println("Plot : " + movie.getPlot()); + System.out.println("Awards : " + movie.getAwards()); + System.out.println("Posters : " + movie.getImages()); + System.out.println("==============================================================================================="); } catch (Exception e) { System.err.println("ERROR parsing movie details: " + e.getMessage()); From 33f19bfaa334e6216557028bc4541a0cc263fa30 Mon Sep 17 00:00:00 2001 From: Bita Date: Tue, 28 Apr 2026 15:43:19 +0330 Subject: [PATCH 4/4] Last Version --- src/main/java/movie/apis/MovieService.java | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/src/main/java/movie/apis/MovieService.java b/src/main/java/movie/apis/MovieService.java index bfc22f4..0603f99 100644 --- a/src/main/java/movie/apis/MovieService.java +++ b/src/main/java/movie/apis/MovieService.java @@ -210,11 +210,14 @@ public class MovieService { System.out.println("==============================================================================================="); System.out.println(" " + movie.getTitle() + " (" + movie.getYear() + ")"); System.out.println("==============================================================================================="); - System.out.println("Movie ID: " + movie.getId()); - System.out.println("Genres: " + genresReadable); - System.out.println("IMDB Rating: " + movie.getImdbRating() + " | " +"Votes : " + movie.getImdb_votes()); + System.out.println("Movie ID : " + movie.getId()); + System.out.println("Genres : " + genresReadable); + System.out.println("IMDB Rating : " + movie.getImdbRating() + " | " +"Votes : " + movie.getImdb_votes() + " | " + "IMDB id : " + movie.getImdb_id()); + System.out.println("Meta Score : " + movie.getMetascore()); System.out.println("Director : " + movie.getDirector()); System.out.println("Cast : " + movie.getActors()); + System.out.println("Writer : " + movie.getWriter()); + System.out.println("Type : " + movie.getType()); System.out.println("Run time : " + movie.getRuntime() + " | " + "Rated : " + movie.getRated()); System.out.println("Country: " + movie.getCountry() + " | " + "Released : " + movie.getReleased()); System.out.println("Plot : " + movie.getPlot());